16866853351 has 2 divisors, whose sum is σ = 16866853352. Its totient is φ = 16866853350.

The previous prime is 16866853321. The next prime is 16866853379. The reversal of 16866853351 is 15335866861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16866853351 - 2⁹ = 16866852839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16866853321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8433426675 + 8433426676.

It is an arithmetic number, because the mean of its divisors is an integer number (8433426676).

Almost surely, 2^16866853351 is an apocalyptic number.

16866853351 is a deficient number, since it is larger than the sum of its proper divisors (1).

16866853351 is an equidigital number, since it uses as much as digits as its factorization.

16866853351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3110400, while the sum is 52.

The spelling of 16866853351 in words is "sixteen billion, eight hundred sixty-six million, eight hundred fifty-three thousand, three hundred fifty-one".